Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Mulheres solteiras de Akvilė Stapušaitytė, e um ano de 2010 teve quais duplas mistas?
 ###Tabelas: CREATE TABLE past_winners (past_winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's singles VARCHAR, Women's singles VARCHAR, Men's doubles VARCHAR, Women's doubles VARCHAR, Mixed doubles VARCHAR) CREATE TABLE -_28_seats (-_28_seats_id AUTO_INCREMENT PRIMARY KEY, Riding VARCHAR, Candidate's Name VARCHAR, Gender VARCHAR, Residence VARCHAR, Occupation VARCHAR, Votes INT, Rank VARCHAR) CREATE TABLE drivers__&__teams (drivers__&__teams_id AUTO_INCREMENT PRIMARY KEY, Team VARCHAR, Truck(s) VARCHAR, # INT, Driver(s) VARCHAR, Primary Sponsor(s) VARCHAR, Listed Owner(s) VARCHAR, Crew Chief VARCHAR) CREATE TABLE nhl_entry_draft (nhl_entry_draft_id AUTO_INCREMENT PRIMARY KEY, Round INT, Player VARCHAR, Position VARCHAR, Nationality VARCHAR, College/Junior/Club Team VARCHAR) CREATE TABLE previous_winners (previous_winners_id AUTO_INCREMENT PRIMARY KEY, Year INT, Men's singles VARCHAR, Women's singles VARCHAR, Men's doubles VARCHAR, Women's doubles VARCHAR, Mixed doubles VARCHAR)  
SELECT Mixed doubles FROM past_winners WHERE Women's singles = akvilė stapušaitytė AND Year = 2010